[    2.569244] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    2.606744] br0: port 1(veth0) entered blocking state
[    2.606859] br0: port 1(veth0) entered disabled state
[    2.606948] veth0: entered allmulticast mode
[    2.607061] veth0: entered promiscuous mode
[    2.618835] br0: port 2(veth1) entered blocking state
[    2.618906] br0: port 2(veth1) entered disabled state
[    2.618972] veth1: entered allmulticast mode
[    2.619069] veth1: entered promiscuous mode
[    2.654797] br0: port 1(veth0) entered blocking state
[    2.654854] br0: port 1(veth0) entered forwarding state
[    2.666558] br0: port 2(veth1) entered blocking state
[    2.666630] br0: port 2(veth1) entered forwarding state
[    4.087626] veth1: left allmulticast mode
[    4.087691] veth1: left promiscuous mode
[    4.087761] br0: port 2(veth1) entered disabled state
[    4.087968] veth0: left allmulticast mode
[    4.088020] veth0: left promiscuous mode
[    4.088067] br0: port 1(veth0) entered disabled state
[    4.102750] ------------[ cut here ]------------
[    4.102835] refcount_t: underflow; use-after-free.
[    4.102899] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    4.102994] Modules linked in: ebtable_filter ebt_redirect ebt_ip ebtable_broute ebtables x_tables bridge stp llc veth
[    4.103118] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    4.103217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.103287] Workqueue: netns cleanup_net
[    4.103330] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    4.103386] Code: 9b e8 18 ed b9 ff 90 0f 0b 90 90 c3 80 3d d9 ea ea 00 00 75 89 c6 05 d0 ea ea 00 01 90 48 c7 c7 78 de 51 9b e8 f5 ec b9 ff 90 <0f> 0b 90 90 c3 80 3d b4 ea ea 00 00 0f 85 62 ff ff ff c6 05 a7 ea
[    4.103571] RSP: 0018:ffffb3ab80257d50 EFLAGS: 00010286
[    4.103629] RAX: 0000000000000000 RBX: ffffb3ab80257d60 RCX: 00000000ffffdfff
[    4.103723] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    4.103812] RBP: ffffb3ab80257868 R08: ffffffff9b956d28 R09: 00000000ffffdfff
[    4.103887] R10: ffffffff9b876d40 R11: ffffffff9b926d40 R12: dead000000000122
[    4.103967] R13: 00000000fffb7ba6 R14: 0000000000000001 R15: ffff9319c64c1000
[    4.104048] FS:  0000000000000000(0000) GS:ffff931a62bd8000(0000) knlGS:0000000000000000
[    4.104126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.104193] CR2: 00007fe7745cc760 CR3: 000000001f441005 CR4: 0000000000772ef0
[    4.104275] PKRU: 55555554
[    4.104306] Call Trace:
[    4.104334]  <TASK>
[    4.104361]  netdev_run_todo+0x21a/0x550
[    4.104411]  ops_undo_list+0x1e3/0x1f0
[    4.104458]  cleanup_net+0x1b7/0x2b0
[    4.104497]  process_one_work+0x162/0x380
[    4.104543]  worker_thread+0x299/0x3c0
[    4.104583]  ? rescuer_thread+0x4c0/0x4c0
[    4.104628]  kthread+0x101/0x1f0
[    4.104677]  ? kthreads_online_cpu+0x110/0x110
[    4.104732]  ? kthreads_online_cpu+0x110/0x110
[    4.104793]  ret_from_fork+0x11c/0x140
[    4.104837]  ? kthreads_online_cpu+0x110/0x110
[    4.104889]  ret_from_fork_asm+0x11/0x20
[    4.104937]  </TASK>
[    4.104962] ---[ end trace 0000000000000000 ]---